HMP v5.0.8 — Encryption and payload integrity clarifications

HyperCortex Mesh Protocol (HMP) — Core Specification v5.0.8

Changes in this release:

• Clarified head.payload_hash semantics:
  the hash is computed over the final serialized payload representation
  (including optional compression and encryption).

• Unified payload_hash wording across Sections 3.3 and 3.9.

• Refined hybrid-encryption processing terminology:
  clarified usage of symmetric session keys and recipient encryption envelopes.

• Clarified that key_recipient contains an encrypted symmetric session key
  and may be transmitted openly alongside the container.

• Improved wording for encrypted container verification and
  store-and-forward propagation behavior.

No semantic changes to the protocol model.
No wire-format changes.
Fully backward-compatible within the 5.0.x series.

HMP v5.0.7 — Extended representations for `referenced-by.links`

HyperCortex Mesh Protocol (HMP) — Core Specification v5.0.7

Changes in this release:

• Section 12.3 — introduced an optional non-canonical compact representation for referenced-by.links.

No semantic changes to the protocol model.
No changes to canonical container validation rules.
Fully backward-compatible within the 5.0.x series.

HMP v5.0.6 — Container Model Clarifications

Specification clarifications for container structure, canonicalization, and validation:

• Clarified that all head.* fields MUST appear exclusively inside the head object (Section 3.2)
• Added rule that absent optional fields MUST NOT be serialized as null (Section 3.4)
• Canonical JSON clarification: array order MUST be preserved and treated as significant (Section 3.7)
• Introduced explicit container verification procedure and validation order (Section 3.10)

No changes to container schema or wire format.
Fully backward-compatible within the 5.0.x series.

HMP v5.0.5 — Mesh Container Exchange (MCE) Enhancements

Recommended extensions for MCE (Section 5):
• On-demand container_index retrieval via empty container_request.payload (12.9.1)
• Declarative filter hints in request_container_selection (12.9.2)
• Optional selection_status signaling in container_response (processed / declined) (12.9.3)
• Clarified union semantics between explicit requests and declarative selection

No changes to core container structure or mandatory semantics.
Fully backward-compatible within the 5.0.x series.

HMP v5.0.4 — Naming Normalization Update

HyperCortex Mesh Protocol (HMP) — Core Specification v5.0.4

Renames the container class resonance-map to resonance_map to maintain consistent container naming conventions.

The former identifier is deprecated.
No semantic changes. Fully backward-compatible within the 5.0.x series.

HMP v5.0.3 — Shared Key Domains & Private Groups Latest

HyperCortex Mesh Protocol (HMP) — Core Specification v5.0.3

Introduces container_key container for Shared Key Domains and
group_definition (subclass: private) for Private Group structures.

Clarifies shared symmetric key reuse, rotation, and compromise handling semantics.
Fully backward-compatible within the 5.0.x series.

HMP v5.0.2 — Key Disclosure Extension

HyperCortex Mesh Protocol (HMP) — Core Specification v5.0.2

Introduces optional key-disclosure container for delayed symmetric key sharing.
Fully backward-compatible with v5.0.

HMP v5.0.1 — Archival Sync Release

Archival synchronization release to ensure Zenodo DOI generation.

No changes to core specification.
HMP v5.0.0 remains the first stable core specification.

HMP v5.0.0 — Stable Core Specification

This release marks the first stable version of the HyperCortex Mesh Protocol (HMP) v5 core specification.

HMP v5.0.0 formalizes:

• Immutable container model with proof chains
• Canonical JSON and Ed25519 signatures
• DHT-based decentralized propagation
• Consensus and vote containers
• Unified cognitive-container-network architecture

This version supersedes all 4.x RFC specifications.

The core semantics of HMP v5 are now considered stable.
Future evolution will occur within the 5.x series.